Liquid metal potassium cooling device

Abstract

The invention discloses a liquid potassium metal cooling device, and relates to the technical field of potassium metal production, the liquid potassium metal cooling device comprises a sealing bin, a supporting table is mounted at the bottom of the sealing bin, a temporary storage tank is mounted at the top of the sealing bin, a discharging mechanism and a cooling mechanism are mounted in the sealing bin, the discharging mechanism comprises a discharging needle cylinder, and a discharging pipeline is arranged between the discharging needle cylinder and the temporary storage tank; the cooling mechanism comprises a cooling table, a plurality of cooling cavities are formed in the cooling table, and the cooling cavities are matched with the discharging needle cylinders; a rotating column is installed at the bottom of the cooling table, a power motor is installed in the supporting table and drives the rotating column to rotate, and the multiple cooling cavities are arranged around the rotating column. Therefore, the liquid potassium is cooled in the sealing cavity filled with the nitrogen, so that the metal potassium is prevented from being in contact with outside air, and the problem that the metal potassium is oxidized in the cooling process is further avoided.

Description

Technical Field

[0001] The invention relates to the technical field of potassium metal production, and in particular to a liquid potassium metal cooling device. Background Art

[0002] As a special metal, potassium plays a great role in the growth and development of animals and plants, for example, it regulates the osmotic pressure in human cells and the acid-base balance of body fluids, and the metabolism of sugar and protein hidden in cells.

[0003] In addition to the above functions, metallic potassium is also widely used in the chemical industry, such as the manufacture of fertilizers and soaps, and as a basic material for the synthesis of potassium superoxide.

[0004] In industrial production, electrolysis of sodium chloride or high-temperature substitution is often used to produce metallic potassium. Taking the substitution method as an example, metallic sodium and potassium chloride are melted and mixed at a high temperature of 850°C, so that the metallic sodium and potassium chloride are substituted to obtain sodium chloride and potassium vapor. The potassium vapor is then introduced into a fractionation tower, the purpose of which is to separate the sodium vapor impurities contained in the potassium vapor to ensure that the metallic potassium is of sufficiently high purity.

[0005] After the fractional distillation, the potassium vapor will be sent to the cooling kettle for cooling to obtain liquid potassium metal. Since liquid potassium metal is not convenient for transportation and use, we need to further cool the liquid potassium metal to obtain solid potassium metal.

[0006] Currently, the commonly used cooling method for liquid potassium metal is the manual pouring and cutting method. This method is to send the liquid potassium metal to a pressure tank, then inject inert gas into the pressure tank, and pour the liquid potassium metal into the prepared mold under the pressure of the inert gas. After waiting for cooling to be completed, large pieces of potassium metal are manually taken out and sent to the cutting machine to be cut into qualified sizes according to customer needs.

[0007] However, the existing casting method is difficult to ensure the sealing problem, resulting in that during the casting process of liquid potassium metal, the potassium metal is easily exposed to the outside air and undergoes an oxidation reaction, resulting in a decrease in the purity of the solid potassium metal. Summary of the invention

[0008] In view of the above defects, the purpose of the present invention is to provide a liquid potassium metal cooling device, which aims to solve the problem in the prior art that in the process of casting potassium metal, liquid potassium metal is easily in contact with the outside air and undergoes oxidation reaction, thereby causing the purity of solid potassium metal to decrease.

[0009] In order to solve the above technical problems, the technical solution of the present invention is: A liquid potassium metal cooling device, comprising a sealed warehouse, the sealed warehouse is filled with nitrogen, a support platform is installed at the bottom of the sealed warehouse, a temporary storage tank is installed at the top of the sealed warehouse, a feeding mechanism and a cooling mechanism are installed in the sealed warehouse, the feeding mechanism comprises a feeding syringe, a feeding pipe is arranged between the feeding syringe and the temporary storage tank, the cooling mechanism comprises a cooling table, a plurality of cooling cavities are arranged in the cooling table, and the cooling cavities are arranged in cooperation with the feeding syringe; A rotating column is installed at the bottom of the cooling platform, a power motor is installed in the supporting platform, the power motor drives the rotating column to rotate, and a plurality of cooling chambers are arranged around the rotating column.

[0010] Among them, a plurality of cooling jackets are also arranged in the cooling platform, and the cooling jackets are arranged around the cooling cavity. A medium storage tank is also installed on the top of the sealing warehouse, and the medium storage tank is connected to the cooling jackets by a pipeline.

[0011] Wherein, the rotating column comprises a liquid delivery section, a fixed section and a liquid return section, the fixed section is located between the liquid delivery section and the liquid return section, a plurality of cooling chambers are arranged around the fixed section, a liquid delivery chamber is arranged inside the liquid delivery section, a liquid return chamber is arranged inside the liquid return section, a first adapter is installed at the bottom of the sealing chamber, a second adapter is installed at the top of the sealing chamber, an end of the liquid delivery section away from the fixed section is rotatably connected with the first adapter, the liquid delivery chamber is communicated with the first adapter, a liquid delivery pipe is installed on the side wall of the first adapter, and an end of the liquid delivery pipe away from the first adapter is connected to a medium storage tank; an end of the liquid return section away from the fixed section is rotatably connected with the second adapter, the liquid return chamber is communicated with the second adapter, a liquid return pipe is arranged between the second adapter and the medium storage tank, a pipe connection is provided between the bottom of the cooling jacket and the liquid delivery chamber, and a pipe connection is provided between the top of the cooling jacket and the liquid return chamber.

[0012] Among them, a support plate is arranged between the cooling table and the bottom of the sealing chamber, and a plurality of telescopic cylinders are arranged at one end of the support plate facing the cooling table. The plurality of telescopic cylinders are arranged around a rotating column, and the support plate is connected to the rotating column. A sealing plug is slidably arranged at the bottom of the cooling cavity, and the telescopic end of the telescopic cylinder is connected to the bottom of the sealing plug.

[0013] Wherein, a plurality of O-rings are arranged around the side wall of the sealing plug.

[0014] Wherein, a driving gear is arranged on the side wall of the liquid delivery section, the power end of the power motor is connected with the power gear, and the power gear is meshedly connected with the driving gear.

[0015] Among them, the unloading mechanism also includes a power screw, a sliding rod and a connecting frame. The top of the power screw is rotatably connected to the top of the sealing bin, the bottom of the power screw is connected to a driving motor, the two ends of the sliding rod are respectively connected to the top of the sealing bin and the bottom of the sealing bin, the connecting frame includes a connecting block and a connecting arm, one end of the connecting arm is connected to the feeding syringe, the other end of the connecting arm is connected to the connecting block, the connecting block is threadedly connected to the power screw, and the connecting block is slidably connected to the sliding rod.

[0016] Among them, the feeding syringe includes a cylinder body and a needle, the needle is connected to one end of the cylinder body facing the cooling table, a sealing plug is installed at the end of the cylinder body away from the needle, a sealing head is slidably arranged inside the cylinder body, a first valve body is installed on the side wall of the cylinder body, the first valve body is located between the needle head and the sealing head, one end of the discharge pipe is connected to the first valve body, and the other end of the discharge pipe is connected to the temporary storage tank; a limiting frame is arranged on the top of the cylinder body, a telescopic driving cylinder is installed on the limiting frame, and a connecting rod is arranged between the telescopic section of the telescopic driving cylinder and the sealing head.

[0017] Among them, a sealing cover is installed on the top of the cooling cavity, and the sealing cover includes a connecting platform and a feeding platform, a clamping platform is arranged between the connecting platform and the feeding platform, an external thread is arranged on the side wall of the connecting platform, an internal thread is arranged on the top of the cooling cavity, and the connecting platform is threadedly connected to the cooling cavity; the outer diameter of the clamping platform is larger than the outer diameter of the connecting platform, and the clamping platform covers the top of the cooling cavity.

[0018] In which, the feeding platform includes a limiting shell and a reset platform, the limiting shell is arranged around the reset platform, the bottom of the limiting shell is connected with the top of the clamping platform, a feeding channel is installed in the reset platform, a unloading channel is arranged in the connecting platform, a one-way valve is installed in the unloading channel, one end of the unloading channel is connected with the feeding channel, and the other end of the unloading channel extends toward the cooling chamber; a plurality of reset springs are arranged between the reset platform and the clamping platform, and the plurality of reset springs are arranged around the feeding channel, one end of the feeding channel is connected with the top of the reset platform, and the other end of the feeding channel is slidably connected with the unloading channel; a feeding hole is provided at one end of the feeding channel away from the unloading channel, the feeding hole is cooperated with the unloading syringe, the inner diameter of the feeding hole is smaller than the inner diameter of the feeding channel, a sealing plate is arranged between the feeding channel and the feeding hole, the side wall of the sealing plate is hinged to the inner wall of the feeding channel, and the top of the sealing plate abuts against the bottom of the feeding hole.

[0019] After adopting the above technical solution, the beneficial effects of the present invention are: First, the cooling of liquid potassium is carried out in a sealed chamber filled with nitrogen, which prevents the metallic potassium from coming into contact with the outside air, thereby preventing the metallic potassium from oxidizing during the cooling process. Second, the liquid potassium is sent to the cooling chamber for cooling through a discharge syringe, and the solid potassium that has been cooled in the cooling chamber is taken out at the same time. The idle cooling chamber is then sent to the bottom of the discharge syringe to facilitate the discharge syringe to feed liquid potassium into the cooling chamber again. In the above process, the liquid potassium is cooled in an assembly line manner, which speeds up the production of solid potassium. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of a liquid metal potassium cooling device; Figure 2 is a cross-sectional view of the cooling stage; Figure 3 This is the structural diagram of the cooling stage; Figure 4 is a structural diagram of the sealing plug; Figure 5 It is the structural diagram of the material unloading mechanism; Figure 6 It is the structural diagram of the cylinder; Figure 7 is a structural diagram of the sealing cover; Figure 8 It is a working schematic diagram of the sealing cover; Fig. 9 It is a structural diagram of the cover removal mechanism; Fig.10 This is the structural diagram of the material taking mechanism.

[0021] In the figure: 1-sealed warehouse, 11-support platform, 12-temporary storage tank, 13-unloading pipeline, 2-feeding mechanism, 21-feeding syringe, 22-power screw rod, 23-sliding rod, 24-driving motor, 25-connecting frame, 26-connecting arm, 27-connecting block, 28-barrel, 29-needle, 210-sealed plug, 211-sealed head, 212-first valve body, 213-limiting frame, 214-telescopic driving cylinder, 215-connecting rod, 216-sealed gas tank, 217-second valve body, 218-electric heating wire, 3-cooling mechanism, 31-cooling table, 32-cooling chamber, 33-rotating column, 34-power motor, 35-cooling jacket, 36-medium storage tank, 37-liquid delivery section, 38-fixed section, 39-liquid return section, 310-liquid delivery chamber, 311-liquid return chamber, 312-first adapter, 313-liquid delivery pipeline, 314-second adapter, 315-liquid return pipeline, 316-support plate, 317-telescopic cylinder, 318- Sealing plug, 319-O-ring, 320-power gear, 321-driving gear, 322-sealing cover, 323-connecting platform, 324-feeding platform, 325-clamping platform, 326-limiting shell, 327-reset platform, 328-external thread, 329-sealing gasket, 330-feeding channel, 331-discharging channel, 332-check valve, 333-reset spring, 334-feeding hole, 335-sealing plate, 4-capping mechanism, 41-first telescopic cylinder, 42-mechanical gripper, 43-driving motor, 44-positioning platform, 5-storage slot, 6-material taking mechanism, 61-fixed frame, 62-first screw rod, 63-first slide rod, 64-first motor, 65-fixed plate, 66-second screw rod, 67-second slide rod, 68-second motor, 69-telescopic rod, 610-material taking gripper. DETAILED DESCRIPTION

[0022] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0023] Embodiment 1: like Figure 1-10 As shown, a liquid potassium metal cooling device includes a sealed chamber 1. Since potassium metal has extremely high activity, in order to prevent oxidation of potassium metal during the cooling process, the sealed chamber 1 is filled with a gas that does not react with potassium metal, such as nitrogen.

[0024] In this solution, a support platform 11 is installed at the bottom of the sealed warehouse 1, a temporary storage tank 12 is installed at the top of the sealed warehouse 1, and a feeding mechanism 2 and a cooling mechanism 3 are installed in the sealed warehouse 1. Liquid potassium metal in a molten state is stored in the temporary storage tank 12. The liquid potassium reaches the feeding mechanism 2 through a pipeline, and then reaches the cooling mechanism 3 under the guidance of the feeding mechanism 2, and is cooled in the cooling mechanism 3. In order to facilitate the delivery of liquid potassium to the cooling mechanism 3, the feeding mechanism 2 includes a feeding syringe 21, and a feeding pipeline 13 is arranged between the feeding syringe 21 and the temporary storage tank 12. In order to facilitate the cooling of liquid potassium into solid potassium, the cooling mechanism 3 includes a cooling table 31, and a plurality of cooling chambers 32 are arranged in the cooling table 31, and the cooling chambers 32 are arranged in cooperation with the feeding syringe 21. In order to facilitate the delivery of liquid potassium to each cooling cavity 32 by the discharge syringe 21, a rotating column 33 is installed at the bottom of the cooling table 31, and a power motor 34 is installed in the support table 11. The power motor 34 drives the rotating column 33 to rotate, and a plurality of cooling cavities 32 are arranged around the rotating column 33. The power motor 34 drives the rotating column 33 to rotate, and the rotating column 33 drives the cooling table 31 to rotate during the rotation process. During the rotation process, the cooling table 31 delivers the cooling cavity 32 to the bottom of the discharge syringe 21, and then the discharge syringe 21 delivers the liquid potassium to the cooling cavity 32. When the liquid potassium in the cooling cavity 32 reaches the specified amount, the cooling table 31 rotates, driving the next cooling cavity 32 to the bottom of the discharge syringe 21, and repeating the above work.

[0025] The cooling chamber 32 filled with liquid potassium waits for the liquid potassium inside to cool into solid potassium, and then is taken out and stored.

[0026] In order to speed up the cooling of the liquid potassium, a plurality of cooling jackets 35 are further provided in the cooling stage 31. The cooling jackets 35 are arranged around the cooling chamber 32. A medium storage tank 36 is further installed on the top of the sealed chamber 1. The medium storage tank 36 is connected to the cooling jacket 35 by a pipeline. The medium storage tank 36 stores a low-temperature medium, which reaches the cooling jacket 35 through a pipeline. Then, the low-temperature medium exchanges heat with the liquid potassium in the cooling chamber 32, thereby converting the liquid potassium into solid potassium.

[0027] In order to facilitate the cooling medium to reach the cooling jacket 35, the rotating column 33 includes a liquid delivery section 37, a fixed section 38 and a liquid return section 39, the fixed section 38 is located between the liquid delivery section 37 and the liquid return section 39, a plurality of cooling chambers 32 are arranged around the fixed section 38, a liquid delivery chamber 310 is arranged inside the liquid delivery section 37, a liquid return chamber 311 is arranged inside the liquid return section 39, a first adapter 312 is installed at the bottom of the sealing chamber 1, a second adapter 314 is installed at the top of the sealing chamber 1, one end of the liquid delivery section 37 away from the fixed section 38 is rotatably connected to the first adapter 312, and the liquid delivery chamber 310 is arranged inside the liquid return section 39. 10 is connected with the first adapter 312, a liquid delivery pipe 313 is installed on the side wall of the first adapter 312, and the end of the liquid delivery pipe 313 away from the first adapter 312 is connected with the medium storage tank 36; the end of the return liquid section 39 away from the fixed section 38 is rotatably connected with the second adapter 314, the return liquid chamber 311 is connected with the second adapter 314, a return liquid pipe 315 is arranged between the second adapter 314 and the medium storage tank 36, the bottom of the cooling jacket 35 is connected with the liquid delivery chamber 310 by a pipe, and the top of the cooling jacket 35 is connected with the return liquid chamber 311 by a pipe.

[0028] In the above design, the flow path of the cooling medium is the medium storage tank 36, the liquid delivery pipeline 313, the first adapter 312, the liquid delivery chamber 310, the cooling jacket 35, the liquid return chamber 311, the second adapter 314, the liquid return pipeline 315, and the medium storage tank 36. The cooling medium circulates along the above path, thereby continuously taking away the heat in the cooling chamber 32 and accelerating the cooling speed of the liquid potassium.

[0029] The low-temperature medium in the medium storage tank 36 in this embodiment is preferably paraffin oil.

[0030] Since the liquid potassium is located inside the cooling chamber 32 after solidification, it is difficult to take out the solid potassium. Therefore, a support plate 316 is provided between the cooling table 31 and the bottom of the sealing chamber 1. The support plate 316 is provided with a plurality of telescopic cylinders 317 at one end facing the cooling table 31. The plurality of telescopic cylinders 317 are arranged around the rotating column 33. The support plate 316 is connected to the rotating column 33. A sealing plug 318 is slidably provided at the bottom of the cooling chamber 32. The telescopic end of the telescopic cylinder 317 is connected to the bottom of the sealing plug 318. When the telescopic cylinder 317 is extended, it drives the sealing plug 318 to move upward along the cooling chamber 32. During the movement, the sealing plug 318 pushes the solid potassium to move upward, thereby facilitating the removal of the solid potassium.

[0031] In order to facilitate the telescopic cylinder 317 to rotate along with the cooling table 31, the present solution introduces a support plate 316, which is fixedly connected to the rotating column 33. Therefore, when the rotating column 33 rotates, it drives the support plate 316 and the telescopic cylinder 317 on the support plate 316 to rotate together.

[0032] Since solid potassium has a certain viscosity, in order to prevent the metallic potassium adhering to the inner wall of the cooling chamber 32 from entering the gap between the sealing plug 318 and the cooling chamber 32, a plurality of O-rings 319 are arranged around the side wall of the sealing plug 318. The O-rings 319 play the role of a seal and a scraper. During the upward movement of the sealing plug 318, since the O-rings 319 are located between the sealing plug 318 and the cooling chamber 32, the O-rings 319 will scrape off the metallic potassium residue.

[0033] In order to facilitate the power motor 34 to drive the rotating column 33 to rotate, a driving gear 321 is provided on the side wall of the liquid delivery section 37 . The power end of the power motor 34 is connected to a power gear 320 , and the power gear 320 is meshedly connected with the driving gear 321 .

[0034] In order to facilitate unloading, we need to minimize the distance between the unloading syringe 21 and the cooling chamber 32. To this end, the unloading mechanism 2 also includes a power screw 22, a sliding rod 23 and a connecting frame 25. The top of the power screw 22 is rotatably connected to the top of the sealing bin 1, and the bottom of the power screw 22 is connected to a driving motor 24. The two ends of the sliding rod 23 are respectively connected to the top of the sealing bin 1 and the bottom of the sealing bin 1. The connecting frame 25 includes a connecting block 27 and a connecting arm 26. One end of the connecting arm 26 is connected to the feeding syringe, and the other end of the connecting arm 26 is connected to the connecting block 27. The connecting block 27 is threadedly connected to the power screw 22, and the connecting block 27 is slidably connected to the sliding rod 23.

[0035] The driving motor 24 drives the power screw 22 to rotate. During this process, the connecting frame 25 moves up and down with the forward and reverse rotation of the power screw 22. This design facilitates the discharge syringe 21 to shorten the distance between it and the cooling chamber 32 to avoid splashing of liquid potassium.

[0036] In order to facilitate material discharge, the feeding syringe includes a cylinder 28 and a needle 29, the needle 29 is connected to one end of the cylinder 28 facing the cooling table 31, and a sealing plug 210 is installed at the end of the cylinder 28 away from the needle 29. A sealing head 211 is slidably arranged inside the cylinder 28, and a first valve body 212 is installed on the side wall of the cylinder 28, and the first valve body 212 is located between the needle 29 and the sealing head 211. One end of the discharge pipe 13 is connected to the first valve body 212, and the other end of the discharge pipe 13 is connected to the temporary storage tank 12; a limiting frame 213 is arranged on the top of the cylinder 28, and a telescopic drive cylinder 214 is installed on the limiting frame 213, and a connecting rod 215 is arranged between the telescopic section of the telescopic drive cylinder 214 and the sealing head 211.

[0037] When the first valve body 212 is opened, the feed pipe 13 starts to inject liquid potassium into the cylinder 28. During this process, the telescopic drive cylinder 214 drives the sealing plug 210 to move upward through the connecting rod 215 to leave storage space for the liquid potassium. When the liquid potassium in the cylinder 28 reaches a certain amount, the telescopic drive cylinder 214 drives the sealing plug 210 to move downward, prompting the liquid potassium to enter the cooling chamber 32.

[0038] In order to prevent liquid potassium from remaining in the needle 29, a sealed gas tank 216 is provided on one side of the sealed chamber 1, and a second valve body 217 is provided on the side wall of the needle 29. The second valve body 217 is connected to the sealed gas tank 216 by a pipeline. A gas that does not react with metallic potassium, such as nitrogen, is stored in the sealed gas tank 216. When the second valve body 217 is opened, the nitrogen moves along the needle 29 into the cooling chamber 32, and the liquid potassium adhering to the inner wall of the needle 29 enters the cooling chamber 32.

[0039] It is worth noting that in order to prevent the various mechanisms in the device from moving, the pipes used in this solution all have a certain margin.

[0040] In order to facilitate the unloading of the cylinder 28, we need to ensure that the metallic potassium in the cylinder 28 is in liquid state. For this purpose, the cylinder 28 includes an interlayer, and an electric heating wire 218 is arranged in the interlayer.

[0041] In order to facilitate the liquid potassium in the temporary storage tank 12 to enter the feeding syringe 21, we need to use high pressure to move the liquid potassium. For this purpose, the sealed gas tank 216 is connected to the temporary storage tank 12 through a pipeline. The sealed gas tank 216 feeds nitrogen into the temporary storage tank 12. During this process, the nitrogen continuously squeezes the liquid potassium in the temporary storage tank 12, thereby accelerating its feeding speed.

[0042] In this solution, low-temperature paraffin oil is stored in the medium storage tank 36. Paraffin oil will not react with metallic potassium, so even if paraffin oil enters the cooling chamber 32, liquid potassium can solidify normally.

[0043] Liquid potassium will shrink during the normal cooling process, causing the surface of solid potassium to be uneven. In order to avoid this problem, we need to apply a certain pressure to the liquid potassium during the cooling process of the liquid potassium. It has been mentioned above that nitrogen will be fed into the cooling chamber 32 after the feeding is completed. When the amount of nitrogen reaches a certain amount in the cooling chamber 32, a high-pressure environment will be formed in the cooling chamber 32. At this time, we need to seal the cooling chamber 32 in time. To this end, a sealing cover 322 is installed on the top of the cooling chamber 32, and the sealing cover 322 includes a connecting platform 323 and a feeding platform 324. A clamping platform 325 is arranged between the connecting platform 323 and the feeding platform 324, and an external thread 328 is arranged on the side wall of the connecting platform 323. An internal thread is arranged on the top of the cooling chamber 32, and the connecting platform 323 is threadedly connected to the cooling chamber 32; the outer diameter of the clamping platform 325 is greater than the outer diameter of the connecting platform 323, and the clamping platform 325 covers the top of the cooling chamber 32.

[0044] In order to avoid air leakage, a sealing gasket 329 is further provided on the outer wall of the connecting platform 323 , and the sealing gasket 329 is located between the external thread 328 and the bottom of the connecting platform 323 .

[0045] In order to facilitate sealing of the cooling chamber 32 during the unloading process, the feeding platform 324 includes a limiting shell 326 and a reset platform 327. The limiting shell 326 is arranged around the reset platform 327. The bottom of the limiting shell 326 is connected to the top of the clamping platform 325. A feeding channel 330 is installed in the reset platform 327. A unloading channel 331 is arranged in the connecting platform 323. A one-way valve 332 is installed in the unloading channel 331. One end of the unloading channel 331 is connected to the feeding channel 330, and the other end of the unloading channel 331 extends toward the cooling chamber 32. The one-way valve 332 closes the cooling chamber 32, so that the cooling chamber 32 can only receive liquid potassium and nitrogen, which makes the pressure in the cooling chamber 32 rise continuously, so that the surface of the liquid potassium is smoother after cooling.

[0046] In order to facilitate opening of the one-way valve 332, a plurality of reset springs 333 are arranged between the reset platform 327 and the clamping platform 325. The plurality of reset springs 333 are arranged around the feeding channel 330. One end of the feeding channel 330 is connected to the top of the reset platform 327, and the other end of the feeding channel 330 is slidably connected to the unloading channel 331. When in use, the unloading syringe 21 moving downward will squeeze the reset platform 327. The reset platform 327 drives the feeding channel 330 to abut against the one-way valve 332 during the downward movement. At this time, the feeding channel 330 is connected to the one-way valve 332.

[0047] In order to prevent foreign matter from entering the feeding channel 330, a feeding hole 334 is provided at one end of the feeding channel 330 away from the unloading channel 331. The feeding hole 334 is arranged in cooperation with the unloading syringe 21. The inner diameter of the feeding hole 334 is smaller than the inner diameter of the feeding channel 330. A sealing plate 335 is provided between the feeding channel 330 and the feeding hole 334. The side wall of the sealing plate 335 is hinged to the inner wall of the feeding channel 330, and the top of the sealing plate 335 is in contact with the bottom of the feeding hole 334. When the unloading syringe 21 moves downward, the needle 29 will push the sealing plate 335 to open in the direction of the feeding channel 330. After the feeding is completed, as the unloading syringe 21 moves upward, the sealing plate 335 will gradually reset until it covers the unloading hole.

[0048] In order to facilitate the removal of the cooled solid potassium, we need to remove the sealing cover 322 first. For this purpose, a number of positioning platforms 44 are installed on the outer wall of the limiting shell 326, and a cover removal mechanism 4 is suspended on the top of the sealing warehouse 1. The cover removal mechanism 4 includes a first telescopic cylinder 41, one end of the first telescopic cylinder 41 is connected to the sealing warehouse 1, and the other end of the first telescopic cylinder 41 is arranged toward the cooling platform 31. The end of the first telescopic cylinder 41 facing the cooling platform 31 is connected to a mechanical clamp 42, and a driving motor 43 is arranged between the mechanical clamp 42 and the first telescopic cylinder 41. The power end of the driving motor 43 is connected to the mechanical clamp 42, and the mechanical clamp 42 is arranged in coordination with the positioning platform 44. The first telescopic cylinder 41 drives the mechanical gripper 42 to move toward the sealing cover 322. After reaching the sealing cover 322, the mechanical gripper 42 grabs the sealing cover 322, and the mechanical gripper 42 is engaged with the positioning platform 44. At this time, the driving motor 43 drives the mechanical gripper 42 to rotate, and the mechanical gripper 42 will unscrew the sealing cover 322. Then the first telescopic cylinder 41 drives the mechanical gripper 42 to drive the sealing cover 322 to move upward, leaving space for taking out the solid potassium.

[0049] In order to facilitate the removal of solid potassium from the cooling table 31, a feeding mechanism 6 is provided on the side of the cooling table 31 away from the unloading mechanism 2, and a storage tank 5 is provided between the feeding mechanism 6 and the cooling table 31. The feeding mechanism 6 includes a fixed frame 61, and a first screw rod 62 and a first slide rod 63 are vertically arranged on the fixed frame 61. A fixed plate 65 is provided between the first screw rod 62 and the first slide rod 63. The top of the first screw rod 62 is connected to a first motor 64, and the bottom of the first screw rod 62 is rotatably connected to the fixed frame 61. One end of the fixed plate 65 is threadedly connected to the first screw rod 62, and the other end of the fixed plate 65 is threadedly connected to the first screw rod 62. One end is slidably connected to the first slide bar 63; a second screw rod 66 and a second slide bar 67 are horizontally arranged on the end of the fixed plate 65 facing the cooling table 31, one end of the second screw rod 66 is connected to the second motor 68, the other end of the second screw rod 66 is rotatably connected to the fixed table, a positioning plate is arranged between the second screw rod 66 and the second slide bar 67, one end of the positioning plate is threadedly connected to the second screw rod 66, the other end of the positioning plate is slidably connected to the second slide bar 67, a telescopic rod 69 is installed on the end of the positioning plate facing the cooling table 31, and a material picking clamp 610 is installed on the end of the telescopic rod 69 facing the cooling table 31.

[0050] With the cooperation of the first motor 64, the first screw rod 62 and the first slide rod 63, the telescopic rod 69 realizes the up and down movement. With the cooperation of the second motor 68, the second screw rod 66 and the second slide rod 67, the telescopic rod 69 realizes the lateral movement. On this basis, the telescopic rod 69 can drive the material picking gripper 610 to move toward the cooling table 31 during the extension and retraction process. When the material picking gripper 610 reaches the specified position, the material picking gripper 610 grabs the solid potassium and then sends it to the storage tank 5.

[0051] In order to prevent the solid potassium in the storage tank 5 from colliding with each other and causing damage, a storage rack is provided in the storage tank 5, and paraffin oil is contained in the storage tank 5, and the paraffin oil submerges the storage rack. With the assistance of the material taking gripper 610 and the material taking mechanism 6, the material taking gripper 610 will vertically insert the solid potassium into the storage rack to prevent the solid potassium from colliding with each other.

[0052] In summary, the advantages of this solution are: first, the cooling of liquid potassium is carried out in a sealed cavity filled with nitrogen, which avoids the contact of metallic potassium with the outside air, thereby avoiding the problem of oxidation of metallic potassium during the cooling process. Second, the liquid potassium is sent to the cooling cavity 32 for cooling by the blanking syringe 21, and the solid potassium that has been cooled in the cooling cavity 32 is taken out at the same time, and then the idle cooling cavity 32 is sent to the bottom of the blanking syringe 21, so as to facilitate the blanking syringe 21 to send liquid potassium into the cooling cavity 32 again. In the above process, the liquid potassium realizes assembly line cooling, which speeds up the production speed of solid potassium.

[0053] The present invention is not limited to the above-mentioned specific implementation modes. Various changes made by ordinary technicians in this field based on the above-mentioned concepts without creative work are all within the protection scope of the present invention.

Claims

1. A liquid potassium metal cooling device, comprising a sealed chamber (1), wherein the sealed chamber (1) is filled with nitrogen, a support platform (11) is installed at the bottom of the sealed chamber (1), a temporary storage tank (12) is installed at the top of the sealed chamber (1), and a feeding mechanism (2) and a cooling mechanism (3) are installed in the sealed chamber (1), characterized in that: The material discharge mechanism (2) comprises a material discharge syringe (21), a material discharge pipe (13) is arranged between the material discharge syringe (21) and the temporary storage tank (12), and the cooling mechanism (3) comprises a cooling table (31), a plurality of cooling chambers (32) are arranged in the cooling table (31), and the cooling chambers (32) are arranged in cooperation with the material discharge syringe (21); A rotating column (33) is installed at the bottom of the cooling platform (31), a power motor (34) is installed in the support platform (11), the power motor (34) drives the rotating column (33) to rotate, and a plurality of cooling chambers (32) are arranged around the rotating column (33).

2. The liquid potassium metal cooling device according to claim 1, characterized in that: A plurality of cooling jackets (35) are also provided in the cooling table (31), and the cooling jackets (35) are arranged around the cooling cavity (32). A medium storage tank (36) is also installed on the top of the sealed chamber (1), and a pipeline is connected between the medium storage tank (36) and the cooling jackets (35).

3. The liquid potassium metal cooling device according to claim 2, characterized in that: The rotating column (33) comprises a liquid delivery section (37), a fixed section (38) and a liquid return section (39); the fixed section (38) is located between the liquid delivery section (37) and the liquid return section (39); a plurality of cooling chambers (32) are arranged around the fixed section (38); a liquid delivery chamber (310) is arranged inside the liquid delivery section (37); a liquid return chamber (311) is arranged inside the liquid return section (39); a first adapter (312) is installed at the bottom of the sealed chamber (1); a second adapter (314) is installed at the top of the sealed chamber (1); an end of the liquid delivery section (37) away from the fixed section (38) is rotatably connected to the first adapter (312); the liquid delivery chamber (310) is connected to the second adapter (311) The first adapter (312) is connected to the medium storage tank (36), and a liquid delivery pipe (313) is installed on the side wall of the first adapter (312). The end of the liquid delivery pipe (313) away from the first adapter (312) is connected to the medium storage tank (36); the end of the liquid return section (39) away from the fixed section (38) is rotatably connected to the second adapter (314), the liquid return chamber (311) is connected to the second adapter (314), a liquid return pipe (315) is arranged between the second adapter (314) and the medium storage tank (36), the bottom of the cooling jacket (35) is connected to the liquid delivery chamber (310) by a pipe, and the top of the cooling jacket (35) is connected to the liquid return chamber (311) by a pipe.

4. The liquid potassium metal cooling device according to claim 3, characterized in that: A support plate (316) is provided between the cooling table (31) and the bottom of the sealing chamber (1); a plurality of telescopic cylinders (317) are provided at one end of the support plate (316) facing the cooling table (31); the plurality of telescopic cylinders (317) are arranged around a rotating column (33); the support plate (316) is connected to the rotating column (33); a sealing plug (318) is slidably provided at the bottom of the cooling chamber (32); and the telescopic end of the telescopic cylinder (317) is connected to the bottom of the sealing plug (318).

5. The liquid potassium metal cooling device according to claim 4, characterized in that: A plurality of O-rings (319) are arranged around the side wall of the sealing plug (318).

6. The liquid potassium metal cooling device according to claim 5, characterized in that: A driving gear (321) is provided on the side wall of the liquid delivery section (37), a power end of the power motor (34) is connected to a power gear (320), and the power gear (320) is meshingly connected to the driving gear (321).

7. The liquid potassium metal cooling device according to claim 1, characterized in that: The unloading mechanism (2) further comprises a power screw (22), a sliding rod (23) and a connecting frame (25), wherein the top of the power screw (22) is rotatably connected to the top of the sealing bin (1), the bottom of the power screw (22) is connected to a driving motor (24), the two ends of the sliding rod (23) are respectively connected to the top of the sealing bin (1) and the bottom of the sealing bin (1), and the connecting frame (25) comprises a connecting block (27) and a connecting arm (26), one end of the connecting arm (26) is connected to the feeding syringe, and the other end of the connecting arm (26) is connected to the connecting block (27), the connecting block (27) is threadedly connected to the power screw (22), and the connecting block (27) is slidably connected to the sliding rod (23).

8. The liquid potassium metal cooling device according to claim 7, characterized in that: The feeding syringe comprises a barrel (28) and a needle (29), wherein the needle (29) is connected to one end of the barrel (28) facing the cooling table (31), and a sealing plug (210) is installed at one end of the barrel (28) away from the needle (29). A sealing head (211) is slidably arranged inside the barrel (28), and a first valve body (212) is installed on the side wall of the barrel (28), and the first valve body (212) is located between the needle (29) and the sealing head (211). One end of the discharge pipe (13) is connected to the first valve body (212), and the other end of the discharge pipe (13) is connected to the temporary storage tank (12); a limiting frame (213) is arranged on the top of the barrel (28), and a telescopic driving cylinder (214) is installed on the limiting frame (213), and a connecting rod (215) is arranged between the telescopic section of the telescopic driving cylinder (214) and the sealing head (211).

9. The liquid potassium metal cooling device according to claim 1, characterized in that: A sealing cover (322) is installed on the top of the cooling cavity (32), the sealing cover (322) comprises a connecting platform (323) and a feeding platform (324), a clamping platform (325) is arranged between the connecting platform (323) and the feeding platform (324), an external thread (328) is arranged on the side wall of the connecting platform (323), an internal thread is arranged on the top of the cooling cavity (32), and the connecting platform (323) is threadedly connected to the cooling cavity (32); the outer diameter of the clamping platform (325) is greater than the outer diameter of the connecting platform (323), and the clamping platform (325) covers the top of the cooling cavity (32).

10. The liquid potassium metal cooling device according to claim 9, characterized in that: The feeding platform (324) comprises a limiting shell (326) and a reset platform (327); the limiting shell (326) is arranged around the reset platform (327); the bottom of the limiting shell (326) is connected to the top of the clamping platform (325); a feeding channel (330) is installed in the reset platform (327); a material discharge channel (331) is arranged in the connecting platform (323); a one-way valve (332) is installed in the material discharge channel (331); one end of the material discharge channel (331) is connected to the feeding channel (330); the other end of the material discharge channel (331) extends toward the cooling chamber (32); a plurality of reset springs (333) are arranged between the reset platform (327) and the clamping platform (325); the plurality of reset springs (333) are arranged in a plurality of positions; 3) arranged around a feeding channel (330), one end of the feeding channel (330) being connected to the top of the reset platform (327), and the other end of the feeding channel (330) being slidably connected to a material discharge channel (331); a feeding hole (334) being arranged at one end of the feeding channel (330) away from the material discharge channel (331), the feeding hole (334) being arranged in cooperation with a material discharge syringe (21), the inner diameter of the feeding hole (334) being smaller than the inner diameter of the feeding channel (330), a sealing plate (335) being arranged between the feeding channel (330) and the feeding hole (334), the side wall of the sealing plate (335) being hinged to the inner wall of the feeding channel (330), and the top of the sealing plate (335) being in contact with the bottom of the feeding hole (334).

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